Home / 69,824.16-104,720.46-19,903.18

Finding the Fourth Proportional to 69,824.16, 104,720.46 and 19,903.18

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Solution

The fourth proportional to 69,824.16, 104,720.46 and 19,903.18 is: 29,850.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,824.16 : 104,720.46 = 19,903.18 : x
  2. Step 2: Convert to fraction form
    69,824.16/104,720.46 = 19,903.18/x
  3. Step 3: Cross multiply
    69,824.16x = 104,720.46 × 19,903.18
  4. Step 4: Simplify right side
    69,824.16x = 2,084,270,165.06
  5. Step 5: Solve for x
    x = 2,084,270,165.06/69,824.16
  6. Step 6: Final answer
    x = 29,850.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.